CN219074739U

CN219074739U - Lug welding tool

Info

Publication number: CN219074739U
Application number: CN202222882552.2U
Authority: CN
Inventors: 于珊珊; 徐士民; 鲍爽; 李旭飞
Original assignee: Tianjin B&M Science and Technology Co Ltd
Current assignee: Tianjin B&M Science and Technology Co Ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-05-26
Anticipated expiration: 2032-10-31

Abstract

The utility model discloses a tab welding tool which comprises a workbench, a position adjusting mechanism and a base, wherein the workbench is arranged on the base through the position adjusting mechanism; the workbench is provided with a lower sound electrode accommodating groove which is vertically communicated so as to accommodate an ultrasonic lower sound electrode, the upper surface of the workbench is provided with a pole piece limiting groove and a pole lug limiting groove which are positioned at two sides of the lower sound electrode accommodating groove, the pole piece limiting groove and the pole lug limiting groove are respectively communicated with the lower sound electrode accommodating groove, and a welding position positioned on the surface of the ultrasonic lower sound electrode is formed between the pole piece limiting groove and the pole lug limiting groove; two sides of the tab limiting groove are provided with tab limiting fixed blocks for adjusting the size and the position of the tab; pole piece limiting fixed blocks are arranged on two sides of the pole piece limiting groove so as to adjust the size and the position of the pole piece. The tab welding fixture can accurately adjust the size of different pole pieces, the size of the tab and the position of the tab, accurately position the tab welding position and improve the welding efficiency of the battery tab.

Description

Lug welding tool

Technical Field

The utility model relates to the technical field of battery tab welding, in particular to a tab welding tool used for welding a battery pole piece and a tab.

Background

The accurate positioning of the battery electrode lugs during welding is very important to the battery performance, and the flexible, accurate and quick welding of the battery electrode lugs of various types is of great significance to the research and the production of the battery.

A typical positioning device comprises a support frame, a positioning component and a battery station, wherein the support frame is provided with a welding station, the welding station is used for arranging a welding mould, and the positioning component is provided with a battery station used for positioning a battery and a tab station used for positioning a tab; the battery station comprises an electrode station part, wherein the electrode station part is used for arranging an electrode of the battery, and the electrode lug station is arranged opposite to the electrode station part so that the electrode lug extends out of the electrode lug station and is contacted with the electrode; the positioning component is movably arranged on the supporting frame, the welding station is arranged on the moving path of the positioning component, and the positioning component has a positioning position. When the positioning component moves to the positioning position, the tab station and the electrode station part are close to the welding station, so that the contact part of the tab and the electrode moves to the welding mould.

The welding positioning tool has the advantages that the structure of the positioning part is quite complex, each positioning part can only be suitable for batteries of single type and size, if the batteries of different types and sizes are required to be welded, the different positioning parts are required to be replaced, and the welding efficiency is low.

Disclosure of Invention

The utility model aims to provide a tab welding tool. The tab welding fixture can accurately adjust the size of different pole pieces, the size of the tab and the position of the tab, accurately position the tab welding position and improve the welding efficiency of the battery tab.

In order to achieve the above purpose, the utility model provides a tab welding tool, which comprises a workbench, a position adjusting mechanism and a base, wherein the workbench is arranged on the base through the position adjusting mechanism; the workbench is provided with a lower sound electrode accommodating groove which is vertically communicated so as to accommodate an ultrasonic lower sound electrode, the upper surface of the workbench is provided with a pole piece limiting groove and a pole lug limiting groove which are positioned at two sides of the lower sound electrode accommodating groove, the pole piece limiting groove and the pole lug limiting groove are respectively communicated with the lower sound electrode accommodating groove, and a welding position positioned on the surface of the ultrasonic lower sound electrode is formed between the pole piece limiting groove and the pole lug limiting groove; two sides of the tab limiting groove are provided with tab limiting fixed blocks for adjusting the size and the position of the tab; pole piece limiting fixed blocks are arranged on two sides of the pole piece limiting groove so as to adjust the size and the position of the pole piece.

Optionally, the ultrasonic lower sound pole is located down sound pole carrier, the top of sound pole carrier down is equipped with the bearing the spacing groove of sound pole under the ultrasonic, the spacing groove is the ascending "U" shape of opening, and its bottom is equipped with downwardly extending's adjustment tank in the centre, the side of sound pole carrier down is equipped with transversely runs through the stop screw of adjustment tank.

Optionally, the root of the adjustment groove is circular in cross section with a diameter greater than the width of the adjustment groove.

Optionally, a pole piece clamping groove is formed in the middle of the tail of the pole piece limiting groove.

Optionally, the pole piece clamping groove is in a U shape with an opening facing outwards.

Optionally, the pole piece limiting fixed blocks are positioned at the two sides of the pole piece limiting groove and close to four corners of the pole piece limiting groove.

Optionally, the position adjusting mechanism comprises a workbench up-down adjusting mechanism, a workbench horizontal adjusting mechanism and a workbench sliding rail; the workbench sliding rail is arranged above the base, the workbench vertical adjusting mechanism is vertically arranged on the workbench sliding rail, the workbench horizontal adjusting mechanism is arranged above the workbench vertical adjusting mechanism, and the workbench is arranged on the workbench horizontal adjusting mechanism.

Optionally, the upper and lower adjustment mechanism of the workbench comprises a vertical adjustment plate, wherein a first oblong hole is formed in the bottom of the vertical adjustment plate, and the first oblong hole and the bolt are connected with the workbench sliding rail.

Optionally, the horizontal adjustment mechanism of workstation is including locating the second slotted hole at vertical regulating plate top, the length direction of second slotted hole is perpendicular to the length direction of first slotted hole, the workstation pass through bolt and second slotted hole with vertical regulating plate is connected.

Optionally, the workbench is provided with fixing hole sites positioned at two sides of the pole piece limiting groove, and the fixing hole sites are used for fixing the workbench on the workbench horizontal adjusting mechanism.

According to the tab welding tool provided by the utility model, the tab limiting fixed blocks are arranged on two sides of the tab limiting groove, meanwhile, the tab limiting fixed blocks are arranged on two sides of the tab limiting groove, the size and the position of the tab can be adjusted through the tab limiting fixed blocks, and the size and the position of the tab can be adjusted through the tab limiting fixed blocks, so that the size, the size and the position of the tab of different tabs can be accurately adjusted, the tab welding position can be accurately positioned, the welding efficiency of the battery tab is improved, and the tab welding tool can be applied to battery tabs with different sizes and different welding tab positions.

Drawings

Fig. 1 is a top view of a workbench of a tab welding tool according to an embodiment of the present utility model;

FIG. 2 is an isometric view of the table of FIG. 1;

fig. 3 is a schematic partial structure diagram of a tab welding tool according to another embodiment of the present utility model;

fig. 4 is a schematic view of the lower sound stage carrier and table shown in fig. 3.

In the figure:

10. the device comprises a workbench 11, a lower sound electrode accommodating groove 12, a pole piece limiting groove 121, a pole piece clamping groove 13, a pole lug limiting groove 14, a welding position 15, a pole piece limiting fixed block 16, a pole lug limiting fixed block 17, a fixed hole site 20, a position adjusting mechanism 21, a workbench upper and lower adjusting mechanism 211, a vertical adjusting plate 22, a workbench horizontal adjusting mechanism 23, a workbench sliding rail 30, a base 40, an ultrasonic sound electrode 50, a pole piece 60, a pole lug 70, a lower sound electrode carrier 71, a limiting groove 72, an adjusting groove 73 and a limiting screw

Detailed Description

In order to better understand the aspects of the present utility model, the present utility model will be described in further detail with reference to the accompanying drawings and detailed description.

In the present specification, the terms "upper, lower, inner, outer" and the like are established based on the positional relationship shown in the drawings, and the corresponding positional relationship may be changed according to the drawings, so that the terms are not to be construed as absolute limitation of the protection scope; moreover, relational terms such as "first" and "second", and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.

Referring to fig. 1 to 3, fig. 1 is a top view of a workbench of a tab welding tool according to an embodiment of the present utility model; FIG. 2 is an isometric view of the table of FIG. 1; fig. 3 is a reference diagram of a working state of a tab welding tool according to an embodiment of the present utility model.

As shown in the figure, in a specific embodiment, the tab welding fixture provided by the utility model mainly comprises a workbench 10, a position adjusting mechanism 20, a base 30 and the like, wherein the workbench 10 is mounted on the base 30 through the position adjusting mechanism 20, and the position of the workbench can be flexibly adjusted in all directions.

The workbench 10 is provided with a lower sound electrode accommodating groove 11 which is vertically communicated so as to accommodate an ultrasonic lower sound electrode 40 of an ultrasonic welding machine, the upper surface of the workbench 10 is provided with a pole piece limiting groove 12 and a pole lug limiting groove 13 which are positioned at two sides of the lower sound electrode accommodating groove 11, the pole piece limiting groove 12 is approximately rectangular and is similar to the pole piece 50 in shape, the pole lug limiting groove 13 is approximately T-shaped and is similar to the pole lug 60 in shape, the pole piece limiting groove 12 and the pole lug limiting groove 13 are respectively communicated with the lower sound electrode accommodating groove 11, and a welding position 14 positioned on the surface of the ultrasonic lower sound electrode is formed between the pole piece limiting groove 12 and the pole lug limiting groove 13.

Further, pole piece limiting fixed blocks 15 are arranged on two sides of the pole piece limiting groove 12, in the embodiment, four pole piece limiting fixed blocks 15 are arranged in total and are positioned close to four corners of the pole piece limiting groove 12, the pole piece limiting fixed blocks 15 are arranged, the size and the position of the pole piece which can be adapted can be adjusted, if the spacing between the pole piece limiting fixed blocks 15 on two sides is larger, the pole piece limiting fixed blocks are suitable for pole pieces 50 with larger size, and if the spacing between the pole piece limiting fixed blocks 15 on two sides is smaller, the pole piece limiting fixed blocks are suitable for pole pieces 50 with smaller size; similarly, two sides of the tab spacing groove 13 are provided with tab spacing fixed blocks 16, in this embodiment, two tab spacing fixed blocks 16 are provided altogether, and are respectively located at two sides of the head of the tab spacing groove 13, and through setting up the tab spacing fixed blocks 16, the tab size and the position that can adapt can be adjusted, if the spacing of the tab spacing fixed blocks 16 at two sides is larger, then the tab 60 with larger size is suitable, if the spacing of the tab spacing fixed blocks 16 at two sides is smaller, then the tab 60 with smaller size is suitable.

Specifically, the pole piece limiting fixed block 15 and the pole lug limiting fixed block 16 can be made of die steel, can be stainless steel blocks with side length of 5mm and thickness of 3mm, and are precisely fixed on the upper surface of the workbench 10 in a bonding, welding, screwing, riveting and other modes, wherein the width and length of the pole piece can be adjusted within the range of 3 cm-10 cm, and the width and length of the pole lug are 3 mm-20 mm.

The tail part of the pole piece limiting groove 12 is provided with a pole piece clamping groove 121 in the middle, and the pole piece clamping groove 121 is U-shaped with an opening facing the outside. By designing the pole piece clamping groove 121, the pole piece can be conveniently placed on the workbench 10 through the mechanical arm, and after welding is finished, a welded workpiece is taken down from the workbench 10, so that the mechanical arm and the workbench 10 are prevented from interfering in the process of taking and placing.

The position adjusting mechanism 20 is mainly constituted by a table up-down adjusting mechanism 21, a table level adjusting mechanism 22, and a table slide rail 23 (see fig. 4). The table slide rail 23 is mounted above the base 30, the table vertical adjustment mechanism 21 is vertically provided on the table slide rail 23, the table horizontal adjustment mechanism 22 is provided above the table vertical adjustment mechanism 21, and the table 10 is horizontally connected to the table horizontal adjustment mechanism 22.

The bench up-down adjusting mechanism 21 is provided with a vertical adjusting plate 211, and a vertical first oblong hole is formed in the bottom of the vertical adjusting plate 211 and is connected with the bench slide rail 23 through the first oblong hole and a bolt.

The workbench horizontal adjusting mechanism 22 is provided with a second oblong hole arranged at the top of the vertical adjusting plate 211, the length direction of the second oblong hole is perpendicular to the length direction of the first oblong hole, and the workbench 10 is directly or indirectly connected with the vertical adjusting plate 211 through bolts and the second oblong hole.

The workbench 10 is provided with fixing hole sites 17 positioned at two sides of the pole piece limiting groove 12, and the fixing hole sites 17 are used for fixing the workbench 10 on the workbench horizontal adjusting mechanism 22.

The table up-down adjusting mechanism 21 and the table horizontal adjusting mechanism 22 are respectively used for adjusting the moving distance of the table 10 in the up-down, left-right directions, and the table slide rail 23 is used for adjusting the horizontal moving distance of the table 10 in the front-rear directions.

In this embodiment, the adjustable range of the table up-down adjusting mechanism 21 is 0.1mm to 20mm, the adjustable range of the table horizontal adjusting mechanism 22 is 0.1mm to 50mm, and the adjustable range of the table slide rail 23 is 0.1mm to 50mm.

The welding position 14 is located in the middle of the lower sound pole housing groove 11 and the position can be adjusted according to the table level adjusting mechanism 22. For example, tabs having tab widths of 5mm and 10mm, respectively, may be welded.

Referring to fig. 3 and fig. 4, fig. 3 is a schematic partial structure diagram of a tab welding tool according to another embodiment of the present utility model; fig. 4 is a schematic view of the lower sound stage carrier and table shown in fig. 3.

In another embodiment, the tab welding fixture provided is different from the first tab welding fixture in that the ultrasonic lower sound electrode 40 is disposed on the lower sound electrode carrier 70, and a limit groove 71 for carrying the ultrasonic lower sound electrode 40 is disposed on the top of the lower sound electrode carrier 70, the limit groove 71 is in an upward opening "U" shape, a downward extending adjusting groove 72 is disposed in the middle of the bottom of the limit groove 71, and the root of the adjusting groove 72 is in a circular shape with a diameter larger than the width of the adjusting groove in section.

The side of the lower sonotrode carrier 70 is provided with a limit screw 73 which transversely penetrates through the adjusting groove, and the width of the limit groove 71 can be adjusted through the limit screw 73.

When the limit screw 73 is screwed inwards, the two sides of the regulating groove 72 are elastically deformed, the width of the limit groove 71 is narrowed, when the limit screw 73 is unscrewed outwards, the elastic deformation of the two sides of the regulating groove 7 is gradually recovered, the width of the limit groove 71 is widened, and the width regulating range is 0.4 mm-30 mm.

The same portions of the present embodiment as those of the first embodiment are given the same reference numerals, and the same description is omitted.

The above embodiments are merely preferred embodiments of the present utility model, and are not limited thereto, and on the basis of these, specific adjustments may be made according to actual needs, thereby obtaining different embodiments. For example, the positions and the number of the tab limit fixing blocks 15 and the tab limit fixing blocks 16 are adjusted according to the actual welding requirements, or other mechanisms with three-dimensional adjusting functions are adopted to adjust the position of the workbench 10, and the like. This is not illustrated here, as there are many possible implementations.

The tab welding tool provided by the utility model can adjust and adapt to the size and the position of the tab and the size and the position of the pole piece, so that the welding position of the pole piece and the tab can be accurately positioned, the welding efficiency of the battery tab is improved, the tab welding tool can be applied to battery pole pieces with different sizes and different positions of the welded tab, and the tab welding tool has good application value for research and development of batteries.

The lug welding tool provided by the utility model is described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the core concepts of the utility model. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. The tab welding tool is characterized by comprising a workbench (10), a position adjusting mechanism (20) and a base (30), wherein the workbench (10) is installed on the base (30) through the position adjusting mechanism (20); the workbench (10) is provided with a lower sound pole accommodating groove (11) for accommodating an ultrasonic lower sound pole, the upper surface of the workbench (10) is provided with pole piece limiting grooves (12) and pole lug limiting grooves (13) which are positioned at two sides of the lower sound pole accommodating groove (11), the pole piece limiting grooves (12) and the pole lug limiting grooves (13) are respectively communicated with the lower sound pole accommodating groove (11), and a welding position (14) positioned on the surface of the ultrasonic lower sound pole (40) is formed between the pole piece limiting grooves and the pole lug limiting grooves; pole piece limiting fixed blocks (15) are arranged on two sides of the pole piece limiting groove (12) so as to adjust the size and the position of the pole piece; two sides of the tab limiting groove (13) are provided with tab limiting fixed blocks (16) for adjusting the size and the position of the tab.

2. The tab welding fixture according to claim 1, wherein the ultrasonic lower sound electrode (40) is arranged on a lower sound electrode carrier (70), a limiting groove (71) for carrying the ultrasonic lower sound electrode (40) is arranged at the top of the lower sound electrode carrier (70), the limiting groove (71) is in a U shape with an upward opening, an adjusting groove (72) extending downwards is arranged at the bottom of the limiting groove (71), and a limiting screw (73) transversely penetrating through the adjusting groove (72) is arranged on the side surface of the lower sound electrode carrier (70).

3. The tab welding fixture according to claim 2, wherein the root of the adjustment groove (72) is circular in cross section with a diameter greater than the width of the adjustment groove.

4. The tab welding fixture according to claim 1, wherein a pole piece clamping groove (121) is formed in the middle of the tail of the pole piece limiting groove (12).

5. The tab welding fixture according to claim 4, wherein the pole piece clamping groove (121) is in a "U" shape with an opening facing the outside.

6. The tab welding fixture according to claim 1, wherein the pole piece limiting fixed blocks (15) are positioned near four corners of the pole piece limiting groove (12) at two sides thereof.

7. The tab welding fixture according to claim 1, wherein the position adjusting mechanism (20) comprises a table up-down adjusting mechanism (21), a table level adjusting mechanism (22) and a table slide rail (23); the workbench sliding rail (23) is arranged above the base (30), the workbench vertical adjusting mechanism (21) is vertically arranged on the workbench sliding rail (23), the workbench horizontal adjusting mechanism (22) is arranged above the workbench vertical adjusting mechanism (21), and the workbench (10) is arranged on the workbench horizontal adjusting mechanism (22).

8. The tab welding fixture according to claim 7, wherein the workbench up-down adjusting mechanism (21) comprises a vertical adjusting plate (211), a first vertical oblong hole is formed in the bottom of the vertical adjusting plate (211), and the first vertical oblong hole and the bolt are connected with the workbench sliding rail (23).

9. The tab welding fixture according to claim 8, wherein the workbench horizontal adjusting mechanism (22) comprises a second oblong hole arranged at the top of the vertical adjusting plate (211), the length direction of the second oblong hole is perpendicular to the length direction of the first oblong hole, and the workbench (10) is connected with the vertical adjusting plate (211) through bolts and the second oblong hole.

10. The tab welding fixture according to claim 9, wherein the workbench (10) is provided with fixing hole sites (17) located at two sides of the pole piece limiting groove (12), and the fixing hole sites (17) are used for fixing the workbench (10) to the workbench horizontal adjusting mechanism (22).